Add BaseLinkerExtension

Fixes wixtoolset/issues#5895

1 files changed, 41 insertions, 0 deletions

diff --git a/src/WixToolset.Extensibility/BaseLinkerExtension.cs b/src/WixToolset.Extensibility/BaseLinkerExtension.cs
new file mode 100644
index 00000000..91aefc2f
--- /dev/null
+++ b/src/WixToolset.Extensibility/BaseLinkerExtension.cs
@@ -0,0 +1,41 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+
+namespace WixToolset.Extensibility
+{
+    using WixToolset.Data;
+    using WixToolset.Extensibility.Data;
+    using WixToolset.Extensibility.Services;
+
+    /// <summary>
+    /// Base class for creating a linker extension.
+    /// </summary>
+    public abstract class BaseLinkerExtension : ILinkerExtension
+    {
+        /// <summary>
+        /// Context for use by the extension.
+        /// </summary>
+        protected ILinkContext Context { get; private set; }
+
+        /// <summary>
+        /// Messaging for use by the extension.
+        /// </summary>
+        protected IMessaging Messaging { get; private set; }
+
+        /// <summary>
+        /// Called at the beginning of the linking.
+        /// </summary>
+        public virtual void PreLink(ILinkContext context)
+        {
+            this.Context = context;
+
+            this.Messaging = context.ServiceProvider.GetService<IMessaging>();
+        }
+
+        /// <summary>
+        /// Called at the end of the linking.
+        /// </summary>
+        public virtual void PostLink(Intermediate intermediate)
+        {
+        }
+    }
+}